#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
int main()
{
	int a = 0;
	int b = 0;
	int c = 0;
	scanf("%d%*c%d%*c%d", &a, &b, &c);
	printf("%d-%d-%d\n", a, b, c);
	return 0;
}
